diff --git a/src/extensions/ua-parser-extensions.js b/src/extensions/ua-parser-extensions.js
index b2e31fb..7fff4c0 100644
--- a/src/extensions/ua-parser-extensions.js
+++ b/src/extensions/ua-parser-extensions.js
@@ -339,8 +339,9 @@ const Libraries = Object.freeze({
     browser : [
         // Apache-HttpClient/Axios/go-http-client/got/GuzzleHttp/Java[-HttpClient]/jsdom/libwww-perl/lua-resty-http/Needle/node-fetch/OkHttp/PHP-SOAP/PostmanRuntime/python-urllib/python-requests/Scrapy/superagent
         [
-            /^(apache-httpclient|axios|(?:go|java)-http-client|got|guzzlehttp|java|libwww-perl|lua-resty-http|needle|node-(?:fetch|superagent)|okhttp|php-soap|postmanruntime|python-(?:urllib|requests)|scrapy)\/([\w\.]+)/i,
-            /(jsdom)\/([\w\.]+)/i,
+            /^(apache-httpclient|axios|(?:go|java)-http-client|got|guzzlehttp|java|libwww-perl|lua-resty-http|needle|node-(?:fetch|superagent)|okhttp|php-soap|postmanruntime|python-(?:httpx|urllib[23]?|requests)|scrapy)\/([\w\.]+)/i,
+            /(adobeair|aiohttp|jsdom)\/([\w\.]+)/i,
+            /(nutch)-([\w\.-]+)(\(|$)/i,
             /\((java)\/([\w\.]+)/i
         ], [NAME, VERSION, [TYPE, LIBRARY]]
     ]
diff --git a/test/data/ua/extension/library.json b/test/data/ua/extension/library.json
index f691105..17435a2 100644
--- a/test/data/ua/extension/library.json
+++ b/test/data/ua/extension/library.json
@@ -1,4 +1,24 @@
 [
+    {
+        "desc"    : "AdobeAIR",
+        "ua"      : "Mozilla/5.0 (Windows; U; en-US) AppleWebKit/533.19.4 (KHTML, like Gecko) AdobeAIR/3.1",
+        "expect"  :
+        {
+            "name"    : "AdobeAIR",
+            "version" : "3.1",
+            "type"    : "library"
+        }
+    },
+    {
+        "desc"    : "aiohttp",
+        "ua"      : "Python/3.9 aiohttp/3.8.1",
+        "expect"  :
+        {
+            "name"    : "aiohttp",
+            "version" : "3.8.1",
+            "type"    : "library"
+        }
+    },
     {
         "desc"    : "Apache-HttpClient",
         "ua"      : "Apache-HttpClient/4.5.14 (Java/17.0.12)",
@@ -109,6 +129,16 @@
             "type"    : "library"
         }
     },
+    {
+        "desc"    : "Nutch",
+        "ua"      : "AliyunSecBot/Nutch-1.21-SNAPSHOT",
+        "expect"  :
+        {
+            "name"    : "Nutch",
+            "version" : "1.21-SNAPSHOT",
+            "type"    : "library"
+        }
+    },
     {
         "desc"    : "OkHttp",
         "ua"      : "okhttp/3.2.0",
@@ -149,6 +179,16 @@
             "type"    : "library"
         }
     },
+    {
+        "desc"    : "Python httpx",
+        "ua"      : "python-httpx/0.27.2",
+        "expect"  :
+        {
+            "name"    : "python-httpx",
+            "version" : "0.27.2",
+            "type"    : "library"
+        }
+    },
     {
         "desc"    : "Python urllib",
         "ua"      : "Python-urllib/2.6",
@@ -159,6 +199,16 @@
             "type"    : "library"
         }
     },
+    {
+        "desc"    : "Python urllib3",
+        "ua"      : "python-urllib3/1.26.18",
+        "expect"  :
+        {
+            "name"    : "python-urllib3",
+            "version" : "1.26.18",
+            "type"    : "library"
+        }
+    },
     {
         "desc"    : "Python requests",
         "ua"      : "python-requests/2.32",